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IS 11169 Grade 5 Steel — Specifications & Listings

IS 11169IS 11169 Grade 5 is a nickel chromium molybdenum spring steel per Indian Standard IS 11169, offering the highest strength and toughness in the IS 11169 series. It is used for the most demanding spring applications in defence, aerospace and heavy engineering.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeIS 11169 Grade 5
StandardIS 11169
DescriptionIS 11169 Grade 5 is a nickel chromium molybdenum spring steel per Indian Standard IS 11169, offering the highest strength and toughness in the IS 11169 series. It is used for the most demanding spring applications in defence, aerospace and heavy engineering.
Applicationsdefence springs,aerospace springs,heavy engineering springs,high stress torsion bars,precision spring components
Chemical Composition (%)
C Si Mn P S Cr Ni Mo
0.45-0.55 0.10-0.40 0.50-0.80 <=0.035 <=0.035 0.50-0.80 1.50-2.00 0.20-0.35
Mechanical Properties
tensile_strength 1400-1700 MPa
yield_strength 1250 MPa min
elongation 7-10 %
hardness 44-52 HRC
Typical Available Sizes
Round Bar 12-80 mm
Flat Bar 20-100 mm
Sizes are indicative. Contact seller for exact availability.

Active IS 11169 Grade 5 Listings on M-EX

IS 11169 Grade 5 Round Bar
5.000 MT
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IS 11169 Grade 5 Round Bar
5.200 MT
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